Dinnerware safe (except Nutmeg). Lead free. These glazes create burst of color that contrast and blend with the base glaze, resulting in a spontaneous range of color. Multi-color effects can be subtle or bold. Crystals fan out on flat horizontal surfaces and run on vertical pieces. Cone 05(1911 degrees F). Apply to mature Cone 04 (1971 degrees F) bisque. Pint jars. All are AP Non-toxic.